Update CI badge

Author: brotkrueml

README.md

@@ -1,9 +1,6 @@
 # TYPO3 content element: Code snippet with syntax highlighting
 
-[![CI Status](https://github.com/brotkrueml/codehighlight/workflows/CI/badge.svg?branch=main)](https://github.com/brotkrueml/codehighlight/actions?query=workflow%3ACI)
-<!--
-[![Coverage Status](https://coveralls.io/repos/github/brotkrueml/codehighlight/badge.svg?branch=main)](https://coveralls.io/github/brotkrueml/codehighlight?branch=main)
--->
+[![CI](https://github.com/brotkrueml/codehighlight/actions/workflows/ci.yml/badge.svg)](https://github.com/brotkrueml/codehighlight/actions/workflows/ci.yml)
 [![Crowdin](https://badges.crowdin.net/typo3-extension-codehighlight/localized.svg)](https://crowdin.com/project/typo3-extension-codehighlight)
 [![Latest Stable Version](https://poser.pugx.org/brotkrueml/codehighlight/v/stable)](https://packagist.org/packages/brotkrueml/codehighlight)